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31st European Congress on Nanotechnology and Materials Engineering

Paris, France

Asmaa Saleh

Asmaa Saleh

King Khalid University, Saudi Arabia

Title: Enhancement of photocatalytic activity of ß-cycl nanoparticles coated cotton using sol-gel technique

Biography

Biography: Asmaa Saleh

Abstract

A novel ß-cyclodextrine-modified ZnO nanoparticles hybrid polymer was synthesized, characterized and applied on cotton 100% fabric. ZnO is prepared by hydrolysis of zinc acetate in isopropanol using lithium hydroxide (LiOH∙H2O). ß-cyclodextrine was added into sol-gel solution which based on 3 glycidyloxypropyltrimethoxysilane (GPTMS). The hybrid materials prepared are applied to cellulosic cotton (100%) fabrics using bad-dry-cure method. ß-cyclodextrian sol–gel solution is able to anchor ß-cyclodextrin on cotton fabrics in gelation process in order to impart new surface property of cotton. Photocatalytic degradation (decolorization) of methylene blue (MB) in both ß-cyclodextrine-modified ZnO nanoparticles sol-gel solution /or on the coated fabrics was evaluated. ß-cyclodextrine-modified ZnO nanoparticles hybrid polymer showed higher photoactivity under UV irradiation than that of ZnO nanoparticles sol only. ß-cyclodextrine facilities the electron transfers from the excited dye to the ZnO conduction band, which enhanced the rate of MB dye degradation. In addition, UV protection property of the finished fabrics was evaluated. The mechanical properties of coated cotton fabric e.g. tensile strength, whiteness and yellowness, surface roughness and Crease recovery angle [CRA] were examined